added wxDateTime::SetFrom/GetAsMSWSysTime() (#9161)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53697 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/private/datecontrols.h

@@ -24,32 +24,8 @@ namespace wxMSWDateControls
 // happen with a very old version of common controls DLL, i.e. before 4.70)
 extern bool CheckInitialization();
 
-// convert SYSTEMTIME to wxDateTime
-inline void FromSystemTime(wxDateTime *dt, const SYSTEMTIME& st)
-{
-    dt->Set(st.wDay,
-            wx_static_cast(wxDateTime::Month, wxDateTime::Jan + st.wMonth - 1),
-            st.wYear,
-            0, 0, 0);
-}
-
-// convert wxDateTime to SYSTEMTIME
-inline void ToSystemTime(SYSTEMTIME *st, const wxDateTime& dt)
-{
-    const wxDateTime::Tm tm(dt.GetTm());
-
-    st->wYear = (WXWORD)tm.year;
-    st->wMonth = (WXWORD)(tm.mon - wxDateTime::Jan + 1);
-    st->wDay = tm.mday;
-
-    st->wDayOfWeek =
-    st->wHour =
-    st->wMinute =
-    st->wSecond =
-    st->wMilliseconds = 0;
-}
-
 } // namespace wxMSWDateControls
 
 #endif // _MSW_PRIVATE_DATECONTROLS_H_
 
+